The PSG-1 A1 is a refinement of the original PSG-1 with updated trigger components, improved cold-hammer-forged barrel, and enhanced fitting procedures. Like the base PSG-1, each A1 is individually fitted and test-fired with factory documentation. The A1 designation indicates late-production improved specification rifles. Type: Semi-Auto Rifle Action: Roller-Delayed Blowback Caliber: 7.62x51mm NATO Capacity: 5 Year introduced: 1985, Germany Weight: 18.1 oz Overall length: 47.55" Status: Discontinued Intended use: Law Enforcement, Sniper